On Wed, Oct 12, 2022 at 12:39:11PM +0200, Arnd Bergmann wrote: > "Some" means exactly powerpc64, right? It looks like microblaze > and powerpc32 still share some of this code, but effectively > just use the vmalloc area once the slab allocator is up. > > Is the special case still useful for powerpc64 or could this be > changed to do it the same as everything else? Or make it the other way around and set IOREMAP_START/IOREMAP_END to VMALLOC_START/VMALLOC_END by default? > > Arnd